Replace scoped_ptr with std::unique_ptr in //ui

ui/views/view_unittest_aura.cc

Index: ui/views/view_unittest_aura.cc
diff --git a/ui/views/view_unittest_aura.cc b/ui/views/view_unittest_aura.cc
index 568a29cf264c2a6946a325393ce094db582e4c88..531302ae75b9e2792239206f7a84b27acade1196 100644
--- a/ui/views/view_unittest_aura.cc
+++ b/ui/views/view_unittest_aura.cc
@@ -4,7 +4,8 @@
 
 #include "ui/views/view.h"
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "ui/aura/window.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_tree_owner.h"
@@ -120,7 +121,7 @@ TEST_F(ViewAuraTest, RecreateLayersWithWindows) {
   EXPECT_EQ(v7_layer, old_w1_root_sublayers[2]);
 
   {
-    scoped_ptr<ui::LayerTreeOwner> cloned_owner(
+    std::unique_ptr<ui::LayerTreeOwner> cloned_owner(
         wm::RecreateLayers(w1->GetNativeView()));
     EXPECT_EQ(w1_layer, cloned_owner->root());
     EXPECT_NE(w1_layer, w1->GetNativeView()->layer());